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Diffstat (limited to 'proto/ospf/config.Y')
-rw-r--r--proto/ospf/config.Y139
1 files changed, 105 insertions, 34 deletions
diff --git a/proto/ospf/config.Y b/proto/ospf/config.Y
index 7b35b191..98ddf5d0 100644
--- a/proto/ospf/config.Y
+++ b/proto/ospf/config.Y
@@ -78,14 +78,66 @@ static void
ospf_proto_finish(void)
{
struct ospf_config *cf = OSPF_CFG;
+ struct ospf_area_config *ac;
+ struct ospf_iface_patt *ic;
+
+ /* Define default channel */
+ if (EMPTY_LIST(this_proto->channels))
+ {
+ this_proto->net_type = ospf_cfg_is_v2() ? NET_IP4 : NET_IP6;
+ channel_config_new(NULL, this_proto->net_type, this_proto);
+ }
+
+ /* Propagate global instance ID to interfaces */
+ if (cf->instance_id_set)
+ {
+ WALK_LIST(ac, cf->area_list)
+ WALK_LIST(ic, ac->patt_list)
+ if (!ic->instance_id_set)
+ { ic->instance_id = cf->instance_id; ic->instance_id_set = 1; }
+
+ WALK_LIST(ic, cf->vlink_list)
+ if (!ic->instance_id_set)
+ { ic->instance_id = cf->instance_id; ic->instance_id_set = 1; }
+ }
+
+ if (ospf_cfg_is_v3())
+ {
+ uint ipv4 = (this_proto->net_type == NET_IP4);
+ uint base = (ipv4 ? 64 : 0) + (cf->af_mc ? 32 : 0);
+
+ /* RFC 5838 - OSPFv3-AF */
+ if (cf->af_ext)
+ {
+ /* RFC 5838 2.1 - instance IDs based on AFs */
+ WALK_LIST(ac, cf->area_list)
+ WALK_LIST(ic, ac->patt_list)
+ {
+ if (!ic->instance_id_set)
+ ic->instance_id = base;
+ else if (ic->instance_id >= 128)
+ log(L_WARN "Instance ID %d from unassigned/private range", ic->instance_id);
+ else if ((ic->instance_id < base) || (ic->instance_id >= (base + 32)))
+ cf_error("Instance ID %d invalid for given channel type", ic->instance_id);
+ }
+
+ /* RFC 5838 2.8 - vlinks limited to IPv6 unicast */
+ if ((ipv4 || cf->af_mc) && !EMPTY_LIST(cf->vlink_list))
+ cf_error("Vlinks not supported in AFs other than IPv6 unicast");
+ }
+ else
+ {
+ if (ipv4 || cf->af_mc)
+ cf_error("Different channel type");
+ }
+ }
if (EMPTY_LIST(cf->area_list))
- cf_error( "No configured areas in OSPF");
+ cf_error("No configured areas in OSPF");
int areano = 0;
int backbone = 0;
int nssa = 0;
- struct ospf_area_config *ac;
WALK_LIST(ac, cf->area_list)
{
areano++;
@@ -98,7 +150,7 @@ ospf_proto_finish(void)
cf->abr = areano > 1;
/* Route export or NSSA translation (RFC 3101 3.1) */
- cf->asbr = (this_proto->out_filter != FILTER_REJECT) || (nssa && cf->abr);
+ cf->asbr = (proto_cf_main_channel(this_proto)->out_filter != FILTER_REJECT) || (nssa && cf->abr);
if (cf->abr && !backbone)
{
@@ -122,7 +174,7 @@ static inline void
ospf_check_defcost(int cost)
{
if ((cost <= 0) || (cost >= LSINFINITY))
- cf_error("Default cost must be in range 1-%d", LSINFINITY-1);
+ cf_error("Default cost must be in range 1-%u", LSINFINITY-1);
}
static inline void
@@ -135,8 +187,8 @@ ospf_check_auth(void)
CF_DECLS
-CF_KEYWORDS(OSPF, AREA, OSPF_METRIC1, OSPF_METRIC2, OSPF_TAG, OSPF_ROUTER_ID)
-CF_KEYWORDS(NEIGHBORS, RFC1583COMPAT, STUB, TICK, COST, COST2, RETRANSMIT)
+CF_KEYWORDS(OSPF, V2, V3, OSPF_METRIC1, OSPF_METRIC2, OSPF_TAG, OSPF_ROUTER_ID)
+CF_KEYWORDS(AREA, NEIGHBORS, RFC1583COMPAT, STUB, TICK, COST, COST2, RETRANSMIT)
CF_KEYWORDS(HELLO, TRANSMIT, PRIORITY, DEAD, TYPE, BROADCAST, BCAST, DEFAULT)
CF_KEYWORDS(NONBROADCAST, NBMA, POINTOPOINT, PTP, POINTOMULTIPOINT, PTMP)
CF_KEYWORDS(NONE, SIMPLE, AUTHENTICATION, STRICT, CRYPTOGRAPHIC, TTL, SECURITY)
@@ -144,39 +196,67 @@ CF_KEYWORDS(ELIGIBLE, POLL, NETWORKS, HIDDEN, VIRTUAL, CHECK, LINK, ONLY, BFD)
CF_KEYWORDS(RX, BUFFER, LARGE, NORMAL, STUBNET, HIDDEN, SUMMARY, TAG, EXTERNAL)
CF_KEYWORDS(WAIT, DELAY, LSADB, ECMP, LIMIT, WEIGHT, NSSA, TRANSLATOR, STABILITY)
CF_KEYWORDS(GLOBAL, LSID, ROUTER, SELF, INSTANCE, REAL, NETMASK, TX, PRIORITY, LENGTH)
-CF_KEYWORDS(SECONDARY, MERGE, LSA, SUPPRESSION)
+CF_KEYWORDS(SECONDARY, MERGE, LSA, SUPPRESSION, MULTICAST, RFC5838)
-%type <t> opttext
%type <ld> lsadb_args
-%type <i> nbma_eligible
+%type <i> ospf_variant ospf_af_mc nbma_eligible
+%type <cc> ospf_channel_start ospf_channel
CF_GRAMMAR
CF_ADDTO(proto, ospf_proto '}' { ospf_proto_finish(); } )
-ospf_proto_start: proto_start OSPF {
- this_proto = proto_config_new(&proto_ospf, $1);
- init_list(&OSPF_CFG->area_list);
- init_list(&OSPF_CFG->vlink_list);
- OSPF_CFG->tick = OSPF_DEFAULT_TICK;
- OSPF_CFG->ospf2 = OSPF_IS_V2;
- }
+ospf_variant:
+ OSPF { $$ = 1; }
+ | OSPF V2 { $$ = 1; }
+ | OSPF V3 { $$ = 0; }
;
+ospf_proto_start: proto_start ospf_variant
+{
+ this_proto = proto_config_new(&proto_ospf, $1);
+ this_proto->net_type = $2 ? NET_IP4 : 0;
+
+ init_list(&OSPF_CFG->area_list);
+ init_list(&OSPF_CFG->vlink_list);
+ OSPF_CFG->tick = OSPF_DEFAULT_TICK;
+ OSPF_CFG->ospf2 = $2;
+ OSPF_CFG->af_ext = !$2;
+};
+
ospf_proto:
ospf_proto_start proto_name '{'
| ospf_proto ospf_proto_item ';'
;
+ospf_af_mc:
+ { $$ = 0; }
+ | MULTICAST { $$ = 1; }
+ ;
+
+/* We redefine proto_channel to add multicast flag */
+ospf_channel_start: net_type ospf_af_mc
+{
+ $$ = this_channel = channel_config_new(NULL, $1, this_proto);
+
+ /* Save the multicast flag */
+ if (this_channel == proto_cf_main_channel(this_proto))
+ OSPF_CFG->af_mc = $2;
+};
+
+ospf_channel: ospf_channel_start channel_opt_list channel_end;
+
ospf_proto_item:
proto_item
+ | ospf_channel { this_proto->net_type = $1->net_type; }
| RFC1583COMPAT bool { OSPF_CFG->rfc1583 = $2; }
+ | RFC5838 bool { OSPF_CFG->af_ext = $2; if (!ospf_cfg_is_v3()) cf_error("RFC5838 option requires OSPFv3"); }
| STUB ROUTER bool { OSPF_CFG->stub_router = $3; }
| ECMP bool { OSPF_CFG->ecmp = $2 ? OSPF_DEFAULT_ECMP_LIMIT : 0; }
- | ECMP bool LIMIT expr { OSPF_CFG->ecmp = $2 ? $4 : 0; if ($4 < 0) cf_error("ECMP limit cannot be negative"); }
+ | ECMP bool LIMIT expr { OSPF_CFG->ecmp = $2 ? $4 : 0; }
| MERGE EXTERNAL bool { OSPF_CFG->merge_external = $3; }
- | TICK expr { OSPF_CFG->tick = $2; if($2<=0) cf_error("Tick must be greater than zero"); }
- | INSTANCE ID expr { OSPF_CFG->instance_id = $3; if (($3<0) || ($3>255)) cf_error("Instance ID must be in range 0-255"); }
+ | TICK expr { OSPF_CFG->tick = $2; if($2 <= 0) cf_error("Tick must be greater than zero"); }
+ | INSTANCE ID expr { OSPF_CFG->instance_id = $3; OSPF_CFG->instance_id_set = 1; if ($3 > 255) cf_error("Instance ID must be in range 0-255"); }
| ospf_area
;
@@ -226,10 +306,10 @@ ospf_stubnet:
;
ospf_stubnet_start:
- prefix {
+ net_ip {
this_stubnet = cfg_allocz(sizeof(struct ospf_stubnet_config));
add_tail(&this_area->stubnet_list, NODE this_stubnet);
- this_stubnet->px = $1;
+ this_stubnet->prefix = $1;
this_stubnet->cost = COST_D;
}
;
@@ -281,7 +361,6 @@ ospf_vlink_start: VIRTUAL LINK idval
OSPF_PATT->inftransdelay = INFTRANSDELAY_D;
OSPF_PATT->deadc = DEADC_D;
OSPF_PATT->type = OSPF_IT_VLINK;
- OSPF_PATT->instance_id = OSPF_CFG->instance_id;
init_list(&OSPF_PATT->nbma_list);
reset_passwords();
}
@@ -306,7 +385,7 @@ ospf_iface_item:
| REAL BROADCAST bool { OSPF_PATT->real_bcast = $3; if (!ospf_cfg_is_v2()) cf_error("Real broadcast option requires OSPFv2"); }
| PTP NETMASK bool { OSPF_PATT->ptp_netmask = $3; if (!ospf_cfg_is_v2()) cf_error("PtP netmask option requires OSPFv2"); }
| TRANSMIT DELAY expr { OSPF_PATT->inftransdelay = $3 ; if (($3<=0) || ($3>65535)) cf_error("Transmit delay must be in range 1-65535"); }
- | PRIORITY expr { OSPF_PATT->priority = $2 ; if (($2<0) || ($2>255)) cf_error("Priority must be in range 0-255"); }
+ | PRIORITY expr { OSPF_PATT->priority = $2 ; if ($2>255) cf_error("Priority must be in range 0-255"); }
| STRICT NONBROADCAST bool { OSPF_PATT->strictnbma = $3 ; }
| STUB bool { OSPF_PATT->stub = $2 ; }
| CHECK LINK bool { OSPF_PATT->check_link = $3; }
@@ -325,7 +404,6 @@ ospf_iface_item:
| TTL SECURITY bool { OSPF_PATT->ttl_security = $3; }
| TTL SECURITY TX ONLY { OSPF_PATT->ttl_security = 2; }
| BFD bool { OSPF_PATT->bfd = $2; cf_check_bfd($2); }
- | SECONDARY bool { OSPF_PATT->bsd_secondary = $2; }
| password_list { ospf_check_auth(); }
;
@@ -336,12 +414,11 @@ pref_list:
pref_item: pref_base pref_opt ';' ;
-pref_base: prefix
+pref_base: net_ip
{
this_pref = cfg_allocz(sizeof(struct area_net_config));
add_tail(this_nets, NODE this_pref);
- this_pref->px.addr = $1.addr;
- this_pref->px.len = $1.len;
+ this_pref->prefix = $1;
}
;
@@ -383,7 +460,6 @@ ospf_iface_start:
OSPF_PATT->priority = PRIORITY_D;
OSPF_PATT->deadc = DEADC_D;
OSPF_PATT->type = OSPF_IT_UNDEF;
- OSPF_PATT->instance_id = OSPF_CFG->instance_id;
init_list(&OSPF_PATT->nbma_list);
OSPF_PATT->ptp_netmask = 2; /* not specified */
OSPF_PATT->tx_tos = IP_PREC_INTERNET_CONTROL;
@@ -394,7 +470,7 @@ ospf_iface_start:
ospf_instance_id:
/* empty */
- | INSTANCE expr { OSPF_PATT->instance_id = $2; if (($2<0) || ($2>255)) cf_error("Instance ID must be in range 0-255"); }
+ | INSTANCE expr { OSPF_PATT->instance_id = $2; OSPF_PATT->instance_id_set = 1; if ($2 > 255) cf_error("Instance ID must be in range 0-255"); }
;
ospf_iface_patt_list:
@@ -415,11 +491,6 @@ ospf_iface:
ospf_iface_start ospf_iface_patt_list ospf_iface_opt_list { ospf_iface_finish(); }
;
-opttext:
- TEXT
- | /* empty */ { $$ = NULL; }
- ;
-
CF_ADDTO(dynamic_attr, OSPF_METRIC1 { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_METRIC1); })
CF_ADDTO(dynamic_attr, OSPF_METRIC2 { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_METRIC2); })
CF_ADDTO(dynamic_attr, OSPF_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_TAG); })
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 03:04:26 +0000